144737780368 has 20 divisors (see below), whose sum is σ = 280706311548. Its totient is φ = 72297441920.

The previous prime is 144737780339. The next prime is 144737780381. The reversal of 144737780368 is 863087737441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5599828224 + 139137952144 = 74832^2 + 373012^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4448803 + ... + 4481218.

Almost surely, 2^144737780368 is an apocalyptic number.

It is an amenable number.

144737780368 is a deficient number, since it is larger than the sum of its proper divisors (135968531180).

144737780368 is a wasteful number, since it uses less digits than its factorization.

144737780368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8931042 (or 8931036 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 58.

The spelling of 144737780368 in words is "one hundred forty-four billion, seven hundred thirty-seven million, seven hundred eighty thousand, three hundred sixty-eight".